Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Atlanta to St Louis
The cheapest flights right now
Atlanta – St Louis
Outbound – Nov 6, 2026
direct
1h 40m Return – Nov 9, 2026
direct
1h 35m $156
2 days ago
Atlanta – St Louis
Outbound – Nov 6, 2026
direct
1h 53m Return – Nov 10, 2026
direct
1h 50m $55
2 days ago
Atlanta – St Louis
Outbound – Nov 6, 2026
direct
1h 40m Return – Nov 10, 2026
direct
1h 35m $140
2 days ago
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Cheapest flight tickets
$51
Average price of a round trip
$64
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
1h45
A flight from Atlanta to St Louis takes on average 1h45.
Best time
August
According to user searches, the ideal month to go to St Louis is August.
The best flight deals for a weekend
Atlanta – St Louis
Outbound – Nov 6, 2026
direct
1h 40m Return – Nov 9, 2026
direct
1h 35m $156
2 days ago
Atlanta – St Louis
Outbound – Nov 6, 2026
direct
1h 53m Return – Nov 10, 2026
direct
1h 50m $55
2 days ago
Atlanta – St Louis
Outbound – Nov 6, 2026
direct
1h 40m Return – Nov 10, 2026
direct
1h 35m $140
2 days ago
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Tips for finding a cheap flight from Atlanta to St Louis
Check out our tips for booking your flight to St Louis (USA) from Atlanta (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is September, with an average flight ticket price of $62 (calculation over the last two years). The most touristic season corresponds to the months of September, October and December.
For the cheapest flights, it is advisable to buy your ticket at least 29 days before the departure date.
The airline offering the cheapest flight tickets is Frontier Airlines. A ticket from the airline Frontier Airlines to St Louis costs on average $64.
The airlines that offer the most flights are Frontier Airlines and Frontier Airlines.
Price of flight tickets from Atlanta to St Louis
Here is some information and tips to know before booking your flight:
- Flight ticket prices range from $51 to $405
- The average price of a flight ticket is about $64
- Prices are lowest for stays in the month of September
- The month in which booking a ticket is cheaper is: September
info departure city :
Atlanta, USA
airports :
Atlanta-Hartsfield Jackson International Airport (ATL)
Fulton-Charlie Brown Field Airport (FTY)
DeKalb-Peachtree Airport (PDK)
local time :
Atlanta is a city in the country USA, the time zone is [[timezone]]. In Atlanta, it is currently {fromLocalTime}, the temperature is on average 26°C, with a minimum of 21°C and a maximum of 32°C.
The city of Atlanta has 3 airport(s): Atlanta-Hartsfield Jackson, Fulton-Charlie Brown Field and DeKalb-Peachtree
destination info :
St Louis, USA
airports :
Lambert-St. Louis International Airport (STL)
St. Louis Downtown Airport (CPS)
Spirit of St. Louis Airport (SUS)
local time :
St Louis is in the country USA, the time zone is [[timezone]]. In St Louis, it is currently {toLocalTime}, the temperature is on average 23°C, with a minimum of 18°C and a maximum of 26°C.
The city of St Louis has 3 airport(s): Lambert-St. Louis, St. Louis Downtown and Spirit of St. Louis
Useful info about St Louis
What is the least touristic period to go to St Louis?
If you want to visit St Louis during the least touristic period, choose the month of August.
What is the most popular time to travel to St Louis?
In St Louis, the most popular month is September. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Atlanta to St Louis?
According to our data, it is recommended to book your flight 29 days before your departure. If you book your flight ticket 5 weeks before your departure, you may find a price below average. You can also choose morning flights that are 100% cheaper than afternoon and evening flights. The cheapest day to book a flight from Atlanta to St Louis is Friday.
What are the arrival and destination airports when traveling between Atlanta and St Louis?
When you leave, you can leave from Atlanta-Hartsfield Jackson, and you will arrive at Lambert-St. Louis.
How to reach Atlanta airport from the city centre?
The airport Atlanta-Hartsfield Jackson is located 12 km, Fulton-Charlie Brown Field is located 14 km or DeKalb-Peachtree is located 15 km from the city centre. You can access it by using public transportation, taking a taxi, or renting a car.
Are there other means of transportation to go from Atlanta to St Louis?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Atlanta and St Louis?
In summer, the average temperature is 25°C in St Louis and 26°C in Atlanta. The average rainfall in summer is 135 mm in St Louis and 123 mm in Atlanta. In summer, it is warmer in Atlanta and it rains less in Atlanta. In winter, it is colder in Atlanta and it rains more in Atlanta.
